/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Joint/PBDJointSolverGaussSeidel.h
SolverBodies are transient and exist only as long as we are in the Island's constraint solver loop
[FConstraintSolverBody](API\Runtime\Chaos\Chaos\Evolution\FConstraintSolverBody) & Body ( int32 BodyIndex )